CN105928247A - Liquefied natural gas evaporation gas cold energy and combustion energy comprehensive utilization system - Google Patents
Liquefied natural gas evaporation gas cold energy and combustion energy comprehensive utilization system Download PDFInfo
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- CN105928247A CN105928247A CN201610250412.XA CN201610250412A CN105928247A CN 105928247 A CN105928247 A CN 105928247A CN 201610250412 A CN201610250412 A CN 201610250412A CN 105928247 A CN105928247 A CN 105928247A
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- 239000007789 gas Substances 0.000 title claims abstract description 182
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 36
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 11
- 238000001704 evaporation Methods 0.000 title abstract description 15
- 230000008020 evaporation Effects 0.000 title abstract description 15
- 238000010248 power generation Methods 0.000 claims abstract description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 312
- 239000003345 natural gas Substances 0.000 claims description 157
- 238000009834 vaporization Methods 0.000 claims description 136
- 230000008016 vaporization Effects 0.000 claims description 136
- 238000001816 cooling Methods 0.000 claims description 63
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000001179 sorption measurement Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000005057 refrigeration Methods 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000005380 natural gas recovery Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/22—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being gaseous at standard temperature and pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/006—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the sorption type system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention provides a liquefied natural gas evaporation gas cold energy and combustion energy comprehensive utilization system. The liquefied natural gas evaporation gas cold energy and combustion energy comprehensive utilization system comprises a liquefied natural gas evaporation gas supply device, a liquefied natural gas evaporation gas cold energy utilization device, a liquefied natural gas evaporation gas power generation device, a cold supply device and a heat supply device; the liquefied natural gas evaporation gas supply device is connected with the liquefied natural gas evaporation gas cold energy utilization device, the liquefied natural gas evaporation gas power generation device, the cold supply device and the heat supply device and provides liquefied natural gas evaporation gas generated by a liquefied natural gas station for the devices; the liquefied natural gas evaporation gas sequentially passes through the liquefied natural gas evaporation gas cold energy utilization device, the liquefied natural gas evaporation gas power generation device, the cold supply device and the heat supply device; and according to the system, efficient comprehensive utilization of the liquefied natural gas evaporation gas from cold energy to combustion energy can be achieved, the energy utilization rate of the system is improved, and requirements of the station for cold, heat, power and the like can be met.
Description
Technical field
The present invention relates to liquefied natural gas yard liquefied natural gas recovery and utilization technology field, particularly relate to one
Plant natural gas vaporization air cooling energy ignition energy utilization system.
Background technology
Liquefied natural gas (LNG) temperature is the lowest, and under normal pressure, boiling point is-162 DEG C, in transport, storage etc.
Link is owing to being affected by external heat and operation etc., and inevitably evaporation generation liquefaction is natural
Gas boil-off gas (boil-off gas, be called for short BOG), such as the LNG tank of 30,000 sides, one
It can produce 2000Nm3Above natural gas vaporization gas.Currently for big-and-middle-sized LNG station field (liquid
Change natural gas terminal, liquefied natural gas receiving station etc.) recovery of natural gas vaporization gas, mainly have
The most several forms: (1) natural gas vaporization air pressure indentation pipe network；(2) natural gas vaporization
The re-liquefied preparing liquefied natural gas of gas；(3) natural gas vaporization gas is vented to torch burning；Liquefy natural
Gas boil-off gas compression inlet pipe net uses after needing to use low-temperature liquefaction natural gas boil-off gas compressor or rewarming
Conventional press, equipment cost is the highest, is difficult with natural gas vaporization air cooling energy simultaneously；And liquid
Changing the natural gas boil-off gas current technique of re-liquefied preparing liquefied natural gas and operation is complex, energy consumption is relatively
High.Recycling natural gas vaporization gas the most efficiently is that current liquefied natural gas yard needs solution badly
A problem.
Summary of the invention
The present invention provides a kind of natural gas vaporization air cooling energy and ignition energy utilization system, fully
After utilizing natural gas vaporization air cooling energy, the natural gas vaporization gas after will heat up as fuel,
Produce electric energy, and more than tail gas, temperature carries out heating and cooling after utilizing its combustion power generation, it is achieved liquefied natural gas steams
Get angry the high-efficiency comprehensive utilization from cold energy to ignition energy, improve its energy utilization rate, and can be that yard solves
The demand such as hot and cold, electric.
For solving above-mentioned technical problem, the invention provides a kind of natural gas vaporization air cooling energy and burning
Energy utilization system, it includes natural gas vaporization gas feeding mechanism, natural gas vaporization air cooling
Device, natural gas vaporization gas electric generating apparatus, cooling apparatus and heating plant can be utilized；
Natural gas vaporization gas feeding mechanism connects natural gas vaporization gas cold energy utilization device, liquefaction
Natural gas boil-off gas TRT, cooling apparatus and heating plant, provide liquefied natural gas for these devices
The natural gas vaporization gas gas that yard produces；
Natural gas vaporization gas gas sequentially passes through natural gas vaporization gas cold energy utilization device, liquefaction
Natural gas boil-off gas TRT, cooling apparatus and heating plant.
Wherein, described natural gas vaporization gas feeding mechanism include natural gas vaporization gas air inlet pipe,
Normal temperature compressed machine, natural gas vaporization gas surge tank and air relief valve.
Wherein, described natural gas vaporization gas cold energy utilization device includes natural gas vaporization air cooling energy
High-performance heat exchanger and natural gas vaporization gas cold energy utilization device.
Wherein, described natural gas vaporization gas electric generating apparatus includes gas turbine, electric control gear, is used for
Power in yard；
Wherein, described cooling apparatus includes adsorption chiller, substitutes air-conditioning in yard in summer, it is achieved
The purpose of refrigeration；Described cooling apparatus mainly includes adsorption chiller, meets cooling in summer in yard
Demand.
Wherein, described heating plant includes waste heat boiler, hot water for life and heating in winter in yard
Demand.
Present invention also offers the above-mentioned natural gas vaporization air cooling energy ignition energy utilization system of use to enter
The method that row natural gas vaporization gas gas energy utilizes, particularly as follows:
The first step, cryogenic cold energy utilizes, the natural gas vaporization gas gas that liquefied natural gas yard produces
Contribute to natural gas vaporization air cooling energy high-performance heat exchanger through natural gas vaporization gas admission line enter
The abundant heat exchange of row, the natural gas vaporization gas gas after heat exchange enters into liquefaction sky through normal temperature compressed machine
So gas boil-off gas surge tank stores, and 3 natural gas vaporization gas cold energy utilization devices utilize liquid simultaneously
Change natural gas boil-off gas cold energy and carry out the cold classified utilization of each low temperature warm area, such as low-temperature grinding, low temperature cold
Storehouse etc., it is achieved the efficient utilization of natural gas vaporization air cooling energy；
Second step, utilization of power, the natural gas vaporization gas gas in natural gas vaporization gas surge tank
Body enters into gas turbine through air relief valve decompression and carries out combustion power generation, and the electric energy of generation is defeated by electric control gear
Give at power load；
3rd step, cryogenic energy utilization, the tail gas that gas turbine power generation produces, through adsorption chiller, produces
Raw food amount, supply refrigeration duty；
4th step, Btu utilization, carry out through waste heat boiler again through adsorption chiller tail gas out
Sufficiently heat exchange, it is provided that heat, supply thermic load.
Beneficial effects of the present invention:
The natural gas vaporization air cooling energy ignition energy utilization system that the present invention provides can make full use of liquid
Changing the cold energy that natural gas boil-off gas produces, the natural gas vaporization gas after will heat up, as fuel, produces
Electric energy, and more than tail gas, temperature carries out heating and cooling after utilizing its combustion power generation, uses distributed energy scheme,
Realize CCHP, improve energy utilization rate, make full use of natural gas vaporization air cooling energy and burning
Can, it is achieved the efficient utilization of full warm area, provide supply hot and cold, electric for yard simultaneously.
Accompanying drawing explanation
Fig. 1-natural gas vaporization air cooling can be with ignition energy utilization system structural representation.
Detailed description of the invention
The invention provides a kind of natural gas vaporization air cooling can be with ignition energy utilization system, its bag
Include natural gas vaporization gas feeding mechanism, natural gas vaporization gas cold energy utilization device, liquefy natural
Gas boil-off gas TRT, cooling apparatus and heating plant；
Natural gas vaporization gas feeding mechanism connects natural gas vaporization gas cold energy utilization device, liquefaction
Natural gas boil-off gas TRT, cooling apparatus and heating plant, provide liquefied natural gas for these devices
The natural gas vaporization gas gas that yard produces；
Natural gas vaporization gas gas sequentially passes through natural gas vaporization gas cold energy utilization device, liquefaction
Natural gas boil-off gas TRT, cooling apparatus and heating plant.
Described natural gas vaporization gas feeding mechanism includes natural gas vaporization gas air inlet pipe, room temperature pressure
Contracting machine, natural gas vaporization gas surge tank and air relief valve.
Described natural gas vaporization gas cold energy utilization device includes that natural gas vaporization air cooling can efficiently be changed
Hot device and natural gas vaporization gas cold energy utilization device.
Described natural gas vaporization air cooling energy high-performance heat exchanger specially can carry out remote heat transmission
Heat exchange of heat pipe, described natural gas vaporization gas cold energy utilization device specially utilizes liquefied natural gas
The gas purification rectifying column etc. of boil-off gas cryogenic cold energy.
Described natural gas vaporization gas electric generating apparatus includes gas turbine, electric control gear and power load.
Described electric control gear is specially grid-connection cabinet and transformator, for powering in yard.
Wherein, described cooling apparatus includes adsorption chiller, substitutes air-conditioning in yard in summer, it is achieved
The purpose of refrigeration；Described cooling apparatus mainly includes adsorption chiller, meets cooling in summer in yard
Demand.
Wherein, described heating plant includes waste heat boiler, hot water for life and heating in winter in yard
Demand.
Described natural gas vaporization air cooling energy high-performance heat exchanger passes through natural gas vaporization gas admission line
It is connected with normal temperature compressed machine, natural gas vaporization gas cold energy utilization device and natural gas vaporization air cooling
Can be connected by high-performance heat exchanger, utilize the cold energy that natural gas vaporization air cooling energy high-performance heat exchanger obtains.
Described atmospheric compression machine passes through natural gas vaporization gas air shooter line and natural gas vaporization
Gas surge tank connects, it is achieved the storage of natural gas vaporization gas gas.
Natural gas vaporization gas surge tank is taken turns with combustion gas by natural gas vaporization gas air shooter line
Machine is connected, and carries out combustion power generation, produces electric energy, and electric energy control device is connected with gas turbine, produces
Raw electric energy flows to power load by electric energy control device.
Gas turbine is connected with adsorption chiller by natural gas vaporization gas air shooter line
Connecing, adsorption chiller is connected with waste heat boiler by natural gas vaporization gas air shooter line,
The tail gas that gas turbine power generation produces produces cold through adsorption chiller, is supplied to and adsorption-type system
The use refrigeration duty that cold group connects, is carried out through waste heat boiler through adsorption chiller tail gas out
After heat exchange, it is provided that heat for be connected with waste heat boiler by thermic load.
Present invention also offers the above-mentioned natural gas vaporization air cooling energy ignition energy utilization system of use to enter
The method that row natural gas vaporization gas gas energy utilizes, particularly as follows:
The method that natural gas vaporization gas gas energy utilizes, particularly as follows:
The first step, cryogenic cold energy utilizes,Available warm areaScope is-150 DEG C～-20 DEG C, liquefied natural gas
The natural gas vaporization gas gas that yard produces contributes to liquid through natural gas vaporization gas admission line
Change natural gas boil-off gas cold energy high-performance heat exchanger and carry out abundant heat exchange, the natural gas vaporization gas after heat exchange
Gas enters into natural gas vaporization gas surge tank through normal temperature compressed machine and stores, simultaneously 3 liquefaction
Natural gas boil-off gas cold energy utilization device utilizes natural gas vaporization air cooling can carry out the cold of each low temperature warm area
Amount classified utilization, such as low-temperature grinding, low-temperature cold store etc., it is achieved natural gas vaporization air cooling can efficient
Utilize；
Second step, utilization of power, the natural gas vaporization gas gas in natural gas vaporization gas surge tank
Body enters into gas turbine through air relief valve decompression and carries out combustion power generation, and the electric energy of generation is defeated by electric control gear
Give at power load, such as immersed pump, compressor etc. in yard；
3rd step, cryogenic energy utilization, gas turbine power generation produce tail gas through adsorption chiller,Drive Dynamic refrigeration unit refrigeration, meets the demand of cooling in summer in yard.
4th step, Btu utilization, carry out through waste heat boiler again through adsorption chiller tail gas out
Sufficiently heat exchange, it is provided that heat, supply thermic load, described thermic load refers to that domestic hot-water etc. uses heat
Medium etc..
Embodiment and accompanying drawing is below used to describe embodiments of the present invention in detail, whereby to the present invention such as
What application technology means solves technical problem, and the process that realizes reaching technique effect can fully understand also
Implement according to this.
As it is shown in figure 1, the natural gas vaporization air cooling energy ignition energy utilization system that the present invention provides
Mainly include, natural gas vaporization gas feeding mechanism, natural gas vaporization gas cold energy utilization device,
Natural gas vaporization gas electric generating apparatus, cooling apparatus and heating plant, natural gas vaporization gas is supplied
Device, mainly includes natural gas vaporization gas air inlet pipe 1, normal temperature compressed machine 4, and liquefied natural gas steams
Get angry surge tank 5 and air relief valve 13；Natural gas vaporization gas cold energy utilization device, mainly includes liquefaction
Natural gas boil-off gas cold energy high-performance heat exchanger 2 and 3 natural gas vaporization gas cold energy utilization device 3；Liquid
Change natural gas boil-off gas TRT, mainly include gas turbine 6, electric control gear 7 and power load (8)；
Cooling apparatus, mainly includes adsorption chiller 9 and by refrigeration duty 11；Heating plant, mainly includes
Waste heat boiler 10 and by thermic load 12.
The operation principle of this system is that the natural gas vaporization gas gas of liquefied natural gas yard generation is through liquid
Change natural gas boil-off gas admission line 1 enters into natural gas vaporization air cooling energy high-performance heat exchanger 2 to be carried out
Fully heat exchange, natural gas vaporization temperature is increased to about 0 DEG C simultaneously, through normal temperature compressed machine pressure
Contracting 4 entrance natural gas vaporization gas surge tank 5 stores；The energy of natural gas vaporization air cooling simultaneously
Device 3 is utilized to utilize natural gas vaporization air cooling can carry out the cold classified utilization of each low temperature warm area, as
Low-temperature grinding, low-temperature cold store etc., it is achieved the efficient utilization of natural gas vaporization air cooling energy；Liquefy natural
Natural gas vaporization gas gas in gas boil-off gas surge tank 5 enters into combustion gas through air relief valve 13 decompression
Turbine 6 carries out combustion power generation, and the electric energy of generation flows at power load 8 by electric control gear 7, with
Time gas turbine power generation produce exhaust temperature higher (about 300-400 DEG C), first pass through absorption type refrigerating
Unit (9), produces cold, and supply refrigeration duty 11, through adsorption chiller 9 exhaust temperature out
Still close to 200 DEG C, then carry out sufficient heat exchange through waste heat boiler 10, it is provided that heat, supply heat
Load 12.So far, it is achieved natural gas vaporization air cooling can recycling and with natural gas vaporization
Gas, as the cool and thermal power supply of fuel, meets the interior demand to cool and thermal power of yard simultaneously.
All above-mentioned primary implement these intellectual properties, do not set limit other forms enforcement this
Plant new product and/or new method.Those skilled in the art will utilize this important information, and foregoing is revised,
To realize similar implementation status.But, all modifications or transformation belong to reservation based on new product of the present invention
Right.
The above, be only presently preferred embodiments of the present invention, is not that the present invention makees other form
Restriction, any those skilled in the art are changed possibly also with the technology contents of the disclosure above
Or it is modified as the Equivalent embodiments of equivalent variations.But every without departing from technical solution of the present invention content, depend on
Any simple modification, equivalent variations and remodeling above example made according to the technical spirit of the present invention,
Still fall within the protection domain of technical solution of the present invention.
Claims (10)
1. a natural gas vaporization air cooling can be with ignition energy utilization system, it is characterised in that: bag
Include natural gas vaporization gas feeding mechanism, natural gas vaporization gas cold energy utilization device, liquefy natural
Gas boil-off gas TRT, cooling apparatus and heating plant；
Natural gas vaporization gas feeding mechanism connects natural gas vaporization gas cold energy utilization device, liquefaction
Natural gas boil-off gas TRT, cooling apparatus and heating plant, provide liquefied natural gas for these devices
The natural gas vaporization gas gas that yard produces；
Natural gas vaporization gas gas sequentially passes through natural gas vaporization gas cold energy utilization device, liquefaction
Natural gas boil-off gas TRT, cooling apparatus and heating plant.
2. natural gas vaporization air cooling energy as claimed in claim 1 and ignition energy utilization system,
It is characterized in that: described natural gas vaporization gas feeding mechanism include natural gas vaporization gas air inlet pipe,
Normal temperature compressed machine, natural gas vaporization gas surge tank and air relief valve.
3. natural gas vaporization air cooling as claimed in claim 1 or 2 can be with ignition energy comprehensive utilization
System, it is characterised in that: described natural gas vaporization gas cold energy utilization device includes natural gas vaporization
Air cooling energy colleges and universities' heat exchanger and natural gas vaporization gas cold energy utilization device.
4. the natural gas vaporization air cooling as described in claims 1 to 3 can be with ignition energy comprehensive utilization
System, it is characterised in that: described natural gas vaporization gas electric generating apparatus includes gas turbine, electric control gear
And power load.
5. the natural gas vaporization air cooling as described in Claims 1-4 can be with ignition energy comprehensive utilization
System, it is characterised in that: described cooling apparatus includes adsorption chiller and uses refrigeration duty.
6. the natural gas vaporization air cooling as described in claim 1 to 5 can be with ignition energy comprehensive utilization
System, it is characterised in that: described heating plant includes waste heat boiler and uses thermic load.
7. use natural gas vaporization air cooling energy ignition energy utilization system described in claim 1 to 6
Carry out the method that natural gas vaporization gas gas energy utilizes, it is characterised in that including:
The first step, cold energy use；
Second step, utilization of power；
3rd step, cryogenic energy utilization；
4th step, Btu utilization.
8. use natural gas vaporization air cooling energy ignition energy utilization system described in claim 7 to carry out
The method that natural gas vaporization gas gas energy utilizes, it is characterised in that: the described first step has further
Body is that the natural gas vaporization gas gas that liquefied natural gas yard produces enters through natural gas vaporization gas
Gas pipeline contributes to natural gas vaporization air cooling energy high-performance heat exchanger and carries out abundant heat exchange, the liquid after heat exchange
Change natural gas boil-off gas gas enters into natural gas vaporization gas surge tank through normal temperature compressed machine and deposits
Storage, 3 natural gas vaporization gas cold energy utilization devices utilize natural gas vaporization air cooling to carry out simultaneously
The cold classified utilization of each low temperature warm area, such as low-temperature grinding, low-temperature cold store etc., it is achieved liquefied natural gas steams
The efficient of cold energy of getting angry utilizes.
9. use natural gas vaporization air cooling energy ignition energy utilization system described in claim 7 or 8
Carry out the method that natural gas vaporization gas gas energy utilizes, it is characterised in that: described second stepping one
The natural gas vaporization gas gas that step is specially in natural gas vaporization gas surge tank reduces pressure through air relief valve
Entering into gas turbine and carry out combustion power generation, the electric energy of generation is flowed at power load by electric control gear.
10. use natural gas vaporization air cooling energy ignition energy comprehensive utilization system described in claim 7 to 9
System carries out the method that natural gas vaporization gas gas energy utilizes, it is characterised in that: described 3rd stepping
The tail gas that the one concrete gas turbine power generation of step produces, through adsorption chiller, produces cold, and supply is used
Refrigeration duty.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250412.XA CN105928247A (en) | 2016-04-21 | 2016-04-21 | Liquefied natural gas evaporation gas cold energy and combustion energy comprehensive utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250412.XA CN105928247A (en) | 2016-04-21 | 2016-04-21 | Liquefied natural gas evaporation gas cold energy and combustion energy comprehensive utilization system |
Publications (1)
| Publication Number | Publication Date |
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| CN105928247A true CN105928247A (en) | 2016-09-07 |
Family
ID=56838668
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610250412.XA Pending CN105928247A (en) | 2016-04-21 | 2016-04-21 | Liquefied natural gas evaporation gas cold energy and combustion energy comprehensive utilization system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255224A (en) * | 2017-06-20 | 2017-10-17 | 中煤科工集团重庆研究院有限公司 | A kind of modularized distribution type energy method |
| CN109386316A (en) * | 2017-08-08 | 2019-02-26 | 中国石油化工股份有限公司 | A kind of LNG cold energy and BOG Combustion Energy joint utilize system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07218033A (en) * | 1994-02-03 | 1995-08-18 | Nkk Corp | Cooling device for lng tank |
| CN103256754A (en) * | 2012-05-09 | 2013-08-21 | 湖南大学 | Hybrid type energy supply system coupling natural gas based distributed energy source system with ground source heat pump |
| CN105370327A (en) * | 2015-11-27 | 2016-03-02 | 中国能源建设集团广东省电力设计研究院有限公司 | System and method for realizing LNG (Liquefied Natural Gas) gasification of distributed energy station |
-
2016
- 2016-04-21 CN CN201610250412.XA patent/CN105928247A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07218033A (en) * | 1994-02-03 | 1995-08-18 | Nkk Corp | Cooling device for lng tank |
| CN103256754A (en) * | 2012-05-09 | 2013-08-21 | 湖南大学 | Hybrid type energy supply system coupling natural gas based distributed energy source system with ground source heat pump |
| CN105370327A (en) * | 2015-11-27 | 2016-03-02 | 中国能源建设集团广东省电力设计研究院有限公司 | System and method for realizing LNG (Liquefied Natural Gas) gasification of distributed energy station |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255224A (en) * | 2017-06-20 | 2017-10-17 | 中煤科工集团重庆研究院有限公司 | A kind of modularized distribution type energy method |
| CN109386316A (en) * | 2017-08-08 | 2019-02-26 | 中国石油化工股份有限公司 | A kind of LNG cold energy and BOG Combustion Energy joint utilize system and method |
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